~ ❯❯❯ echo "5)"| nc 172.16.2.25 10000
 Please enther number of packets: Traceback (most recent call last):
  File "./ping.py", line 3, in <module>
    num_packets = int(input(' Please enther number of packets: '))
  File "<string>", line 1
    5)
     ^
SyntaxError: unexpected EOF while parsing
~ ❯❯❯ echo "5')"| nc 172.16.2.25 10000
 Please enther number of packets: Traceback (most recent call last):
  File "./ping.py", line 3, in <module>
    num_packets = int(input(' Please enther number of packets: '))
  File "<string>", line 1
    5')
      ^
SyntaxError: EOL while scanning string literal
~ ❯❯❯ echo "5\')"| nc 172.16.2.25 10000
 Please enther number of packets: Traceback (most recent call last):
  File "./ping.py", line 3, in <module>
    num_packets = int(input(' Please enther number of packets: '))
  File "<string>", line 1
    5\')
       ^
SyntaxError: unexpected character after line continuation character